Without calling tc358743_set_csi after stopping streaming (or calling
tc358743_s_dv_timings or tc358743_set_fmt from userspace after stopping
the stream), the i.MX6 MIPI CSI2 input fails waiting for lanes to enter
STOP state when streaming is started again.
Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
Change since v1:
- Put lanes in stop state again after stopping streaming
---
drivers/media/i2c/tc358743.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index 1e3a0dd2..7f82932 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -1466,6 +1466,10 @@ static int tc358743_g_mbus_config(struct v4l2_subdev *sd,
static int tc358743_s_stream(struct v4l2_subdev *sd, int enable)
{
enable_stream(sd, enable);
+ if (!enable) {
+ /* Put all lanes in PL-11 state (STOPSTATE) */
+ tc358743_set_csi(sd);
+ }
return 0;
}
--
2.9.3
--
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